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[mantaray]

After moveing the Omega down the drive this morning I found a wet patch of diesel on the drive.

On investigating it would seem that the gasket arrowed in the pic is leaking, is this a common problem, does it even form a diesel seal?

It's not a big leak, no spraying that I can see and it only drips, if not the gasket, any other ideas as to were it could be leaking from.



Top side.

[mantaray]

Having now done some more reserch on the web it would seem that the deisel pump is leaking from the control unit to pump gasket. I have got a new gasket set but on all the vids i found they are doing the gasket change on a VW and use VAG software to set the pump up.
I have a copy of OP COM which I think should have the software for setting the pump up but can any let me know for sure and are there any members who could do the job for me, as to be honest I haven't realy got the time.

This is a youtube vidio showing how to change the gaskets if it will help anyone out.

https://www.youtube.com/watch?v=CXghY7t0Wqg

[TheBoy]

I don't think there is any setup on that one (but don't use that code reader if there is).

Its a bit of a pig to get to from what I remember, but been a while since I've been that intimate with a tractor.

[Magwheels]

Its easy enough to get apart but just a bit fiddly.

BEFORE undoing anything you MUST scribe a line on casing joints so that it can be put back exactly the way it came apart.

The location of the casing dictates the fuelling and it is very very sensitive.

When I did mine for the very same reason you have I found that even tightening the bolts made a difference. I just loosened it a bit and tapped it with piece of wood till it ran spot on.

No leaks and went far better than before.

[mantaray]

I don't think there is any setup on that one (but don't use that code reader if there is).

Its a bit of a pig to get to from what I remember, but been a while since I've been that intimate with a tractor.

Why do you say not to use op com? Or have I miss understood you.

Magwheels.  Thanks for the advice,you back up the video. It is how sensitive the position of the top is that worry's me. According to the video even with making the caseing before dismantling it you will not be able to set it up without software.

Looks like a job for over Xmas, when the car can be off road for few days if needed. Also need to do injector seals so logical to do both jobs at same time.

[05omegav6]

I don't think there is any setup on that one (but don't use that code reader if there is).

Its a bit of a pig to get to from what I remember, but been a while since I've been that intimate with a tractor.

Why do you say not to use op com? Or have I miss understood you.

Magwheels.  Thanks for the advice,you back up the video. It is how sensitive the position of the top is that worry's me. According to the video even with making the caseing before dismantling it you will not be able to set it up without software.

Looks like a job for over Xmas, when the car can be off road for few days if needed. Also need to do injector seals so logical to do both jobs at same time.

Because it's shit, and one false move on your part will kill the car. Permanently.

[Magwheels]

You will not need any setting up with any diagnostics kit if you mark it properly and put it back to those marks EXACTLY.

I did mine with a Bosch look alike kit off Ebay and it worked a treat. You only needs the two top casing O rings/seals.

Just be careful, do the research (as it seems you have) and before you put the top back on fill with fresh diesel from the top. Makes a bit of a mess but it guarantees it will start without any problems.

A good pair of glasses may help.

[omegafin]

I had similar leak better check first that all the black boxs screws are tight
 mine was all lose then the only the pump cover gasget may leak but the
 pump is tilted so it may
look that the lower gasket leaks... so better check these first

[mantaray]

Thanks for the advice, I'll stay clear of OP Com then. Used it fine on my old Carlton, but that was 8 years older than the Omega.

Going to have a look at doing the seals over Xmas, when I have more time and can get the car in the garage, I'll let you know how I get on.

[mantaray]

Well I finally got round to sorting out the pump seals.

Was a bit of a pig to do, trying to locate the bottom section back with the pump is a pain, you can't see anything and have to do it by feel. but after a lot of fiddling I got it sorted.

All seems to be good, but haven't taken it for a drive yet.